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I5-750 and OC'ing

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  • New Build
  • Water Cooling
  • Processors
  • Intel i5
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December 11, 2009 12:54:33 PM

I've heard the i5-750 processor has great OC capability.

I'm pretty much amateur when it comes to talking about OC. However I'm still interested in learning about OC'ing. I was wondering what kind of Mobo and how many fans is suggested when OC'ing.

Do I absolutely need to go liquid cooling if decide to OC?

More about : 750 ing

December 11, 2009 1:28:14 PM

No.

Well maybe. You need liquid cooling if you're going to try a truly massive overclock. Which, if your new, you shouldn't even try.

Also, the i5 has a turbo mode that will automatically overclock. So that advantage goes away if you manually do it.
December 11, 2009 1:31:09 PM

Hell, on. Most of us overclock on air. Did you know i5 can overclock itself to a max of 3.2ghz from 2.66ghz? It's called Turbo mode. Leave it on in bios. I'm letting it o/c to 2.8Ghz. My temp under load is quite high. That bottlenecks my o/c.

If you want a 3rd-party cooler, this:

COOLER MASTER Hyper 212 Plus Intel Core i5 & Intel Core i7 compatible RR-B10-212P-G1 120mm "heatpipe direct contact" Long life sleeve CPU Cooler - Retail

$29.98
Free Shipping*
ETA:12/15/2009

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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December 11, 2009 1:39:35 PM

Second that HSF. You will not want to be using the stock cooler. It's loud and not very good.

Liquid cooling is only really useful if trying to get huge overclocks and remaining silent. Plus, it's really expensive and requires a lot of upkeep.
December 11, 2009 7:06:55 PM

on the i5 the turbo mode only works with one core to achieve the 3.2ghz, right? by overclocking you can bring every core to 3.2ghz no problem. Even on the stock fan. (not recomended though)
December 11, 2009 7:19:55 PM

Yep, that is a good cooler. Turbo has different speed increases for the number of cores it needs, the temperature it is at, and the power it is consuming.
December 11, 2009 7:34:13 PM

i5 OCing guide

http://www.bit-tech.net/hardware/cpus/2009/09/21/overcl...

Def need the HSF suggested as i5 will not OC any appreciable amount w/o voltage increases. There's a technical explanation, but it's mainly due to the on DIE PIE Express lanes. (BTW Intel could totally spent 10 minutes to fix this issue so we could OC w/o increasing voltages...lazy bums)


I think the limit you wanna go with Turboboost on is 3.2 ghz.
W/o it on you can push up to 4.0ghz.

Beyond that, don't go there if you aren't sure your board isn't using Foxconn sockets.


Also, if it's just for gaming, y bother going higher? The biggest bottleneck in modern games is the GPU not CPU. In benchmarking CPU's reviewers turn off AA/AF and don't use max settings in order to artificially induce a CPU bottleneck.

In real life you wouldn't do that.

Here's a i5 2.66 to 3.8 ghz overclock givign 0 FPS gain. This is with AA off too. There'd be even less of a change with it on.

http://www.tomshardware.com/reviews/radeon-hd-5770,2446...
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